Perforator for music-rolls.



No. 726.676,. v PATBNTED APR. 2s, 190s.

' E. B. @L M. F. GRBGOR.

PBRPORATOR FOR MUSIG ROLLS.

APPLIGATION FILED FEB. 24, 1902.

No MODEL. v s SHEETS-SHEET .1.

j k n N N A TNESSES V VENTR' TH: Noam #aus co. PHoTo-Lmn., WASHING-ron, u. c.

PERPORATOR FOR MUSIU ROLLS.

APPLIQATION FILED FEB. 24, 1902. N0 MODEL. A

3 SHEETS-SHEET 2.

WITNESSS l INVENTUM f CVM l @Mi 6- @ffl/Y By maal/@dum /f/T @a/w Attorneys.

Novl 726,676.

E. B. a; MJ. GRBGOR. PBRPORATOR PoR MUSIC ROLLS.

PATENTED APR. ze, 1903.

APPLICATION FILED FEB. 24, 1902. 'i

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N0 MODEL.

` INVENToRs fyi/MMM f @.17 0+ WIT EssEs W VL/au M Attorneys.

NITED STATES ATENT trice.

MICHIGAN.

PERFORATOR FOR MUSIC-ROLLS.

SPECIFICATION forming partof Letters Patent No. 726,676, dated April 28, 1903.

' Application tiledehruary 24, 1902. Serial No. 95,146. (No model.)

To all whom t may concern,.-

Be it known that we, ERNEST B. GREGOR and MAXIMILLIAN F. GREGOR, citizens of the United States, residing at Detroit, county of Wayne, State of Michigan, have'invented a certain new and useful Improvement in Perforators for Music-Rolls; and we declare the following to be a full, clear, and exact dei scription of the invention, such as will enable others skilled in the art to which it pertains to make and use the same, reference being had to the accompanying drawings, which form a' part of this specification.

This invention relates to van improved apparatus for perforating paper, and has for its object an improved machine arranged to perforate the rolls or sheets of paper used in pneumatic musical instruments.

In brief, the machine is one in which there is a constantly-moving actuating and driving wheel or shaft which acts to produce an intermittent feed motion of a pattern -sheet over the tracker-board opening or over an opening in a board which may be compared to the tracker-board of a musical instrument.

The constantly-moving shaft gives motion to a cam or number of.cams that producev a step-by-step movement not only of the paper above mentioned, but of a second sheet of paper or a pile of sheets of paper which are to be operated upon by punches. The shaft also actuates a cam which intermittently actuates a punch-plunger, and it also actuates a presser-foot that holds the bundle or pile of paper under proper pressure to be treated by a punch that advances through the paper and then is retracted from the perforation made in the paper. The step-by-step movement of the pattern-sheet and the step-bystep movement of the bundle of sheets under treatment are contemporaneous, and the punch is actuated during the intermission of the forward movement of the paper.

There areanumber of punches all arranged under the same punch-actuating bar; but no one of the punches is ever directlyin contact with the bar employed to push it through the paper, but is onlyindirectlyin contact therewith. Between the bar and each punch is a space which is filled bya block when the bar actuates the punch, and this block is pushed into position by an air-pressure-actuated piston. The pattern-sheet serves as a valve to determine when the air-pressure will be eX- erted and what punches will be brought into action.

In the drawings, Figure l is a side elevation with some parts broken away. Fig. 2 is a plan viewvwith the air-box A of Fig. l removed. Fig. 3 is a detail showing a portion of the presser-foot and the punch-bar. Fig. 4 isa derail showing a punch, a cross-section of the punch-bar, a block, and the end of the air-tube, and the air-piston which actuates the block. Fig. 5 is a perspective showing a block and a series of block-guides. Fig. 6 is a detail of the valve 6 of Fig. l. Fig. 7 shows the relation between the pattern-sheet and the openings iuro the tube in the trackerboard.

T indicates the tracker-board, which has a curved upper surface, in the extreme summit of which are the' mouth-openings of two tubular air-conductors 2 and 3. In front of the tracker-board is a drum 4, mounted in suitable bearings and arranged to be turned by pulling paper P from it against the tension of aspring. The shaft of the drum and the shaft of the spring-barrel are connected by a chain of gearing. The paper pattern P passes over the tracker-board and under a gripping apparatus, which will be described more fully, and to a winding-drum W, that is also connected with a spring by a chain of gearing. The two drums, with their gearing rand winding appliances, do not form in their details any part of this invention, but are used to keep the pattern-paper tightand hold it in close connection with the upper surface of the tracker-board, over which the paper passes. On the rear side of the trackerboard is a paper-feeding mechanism, consisting of a slide 5, on the upper side of which the paper P lies. The slide 5 .rests on ways 5, that are secured to the frame. A slideactuating bent leverS is pivoted to the frame. One end of this lever engages a pin 8 on the slide and the other end engages through a slot 8 in a vertically-movable link 10. A lever 9 is pivoted to the standard 7 and engages under a rock-arm 6a, that carries a suspended grip-bar 6. The end of lever 9 engages through a slot 9" in link 10. The slots 8b 9b are arranged with respect to the levers that engage through them to actuate the lever 9 and grip-bar 6 before the free movement of the slide takes place, and the pressure is continued during the time of the feed movement. There is a relief-spring 6C on the hanger 6d, which carries the grip-bar 6.

The paper P passes under a roller 11, which keeps it always at a fixed angle with respect to the upper surface of the tracker-board.

The paper, the two drums on which it is stored, the upper end of the tracker-board, and the feeding device now mentioned are all contained in an air-tight box A, which is provided with an air-inlet B, and air is compressed into this box by any suitable air-compressor. The link 10 projects into the box through a suitable stufng-box 13, and below the box the link 10 engages by a slide or pin connection with a lever 14, the opposite end of which is arranged to engage with a camactuator. A spring 101 is arranged to normally urge thelink 10 toits raised position, in which position the gripping device of the paper-feed is free from the paper. The link 10 at its lower end engages with a second paperfeeding device similar in construction to the one already described, in which there is a slide 51, actuated by alever S1, that engages through a slot in the link l0. The paper is gripped to the slide by a gri p-bar 6l, actuated by a lever 91, and the rock-arm which supports the bar 61 and the lever 91 are both pivotally supported on a standard 71. The slide itself is supported on ways on the main framework F. The engagementof the lever 91 with the link 10 is through a slot 102, and the engagement of the lever 81 with the link 10 is through a slot 103 in the link 10. The length of the slots is arranged to time the action of the levers properly, so that the feed movement or forward movement of the slide takes place only after the grip-bar 61 has been brought into gripping Contact with the paper over the slide, and the movement is also timed by the location of the cam 16 on the cam-wheel 17 and cam 1S on the cam-wheel, as will be hereinafter described.

The cam 16 engages the arm of the lever 14, actuates that lever and the link 10. The cam 1S engages the stem of the presser-foot 19, which is pivoted by pin 20 to the frame and forces down on the paper a presser-bar 21. The cams 16 and 1S arearranged to time the movement of the presser-bar 21 and the lever 14 and the parts actuated by it, so that pressure is released under the bar 21 when the paper is gripped and moved forward by the feeding mechanism hereinbefore described.

The wheel 17 is itself a modied snail cam (the approach to the high part is not a complete spiral) which actuates a plunger 22. The plunger 22 has one reciprocation with each revolution of the wheel 17. The lever 14 has one reciprocation and the parts actuated by it one action with each revolution of the wheel 17, and the presser-foot 1f) has one reciprocation, one period of pressure, and one period of release during each revolution of the wheel 17. The bar 21 is lifted by a spring 211. The punch-plunger 22 is lifted by springs 221, which rest on brackets 222 on the frame-and rest under brackets 223, that project from the body of the plunger between guides 224. The presser-foot 21 embraces a punch-guide 2B, which is fixed to the frame F and through which there are a large number of perforations and through which engage a large number of loose punches. Each punch 24 is provided with a head 25, that engages over the upper side of a liftingbracket 26 on the plunger 22. The bracket 26 lifts the punches, so that the lower end rises from the die-block 27 .through the paper P and into the presser-foot 2l; but the head 25 never engages directly with the lower end of the punch-actuator 22. The punch and the punch actuator engage indirectly through an interposed block 2S, and the block 28 is interposed only when the paper P has taken a position over the tracker-board to allow the air-pressure in the box A to pass down through the pipe 2 and actuat-e the piston 29 at the end of the tube 30. There are two tubes 2 and 3, having their upper mouths or inlets in the summit of the tracker-board. The mouth-openings are small and substantially rectangular in shape rather than round, each mouth-opening occupying only about onethird of the diameter of the single punchhole. The two mouth-openingslie quite close together, (see Fig. 7 in connection with Fig. 1,) and it requires three step advances of the paper forahole made byasiugle punch movement to pass across the mouth-opening. As the paper advances and the hole 7i uncovers the mouth-opening to the tube 2 the air passing down the tube 2 lifts a small lpiston c in a cylinder d, with which the bottom of the tube 2 communicates. The piston c is connected by a stem 81 to a valve 6" in a cylinder 62, which is axially in line with the cylinder d. The lifting of the valve 6b is against the tension of a spring 621. The valve 6b is provided with a face 6", which normally closes the outlet-passage into the tube 30 and opens the passage when the valve 6b is lifted. The valve 6b is provided with side passages, (as though it were a wing-valve,) which allow the air to pass down through the pipe 3, by the valve, and into the pipe 30 when the valve is lifted.

When the paper has at one forward movement opened the inlet into the tube 2 and has in consequence enabled the air to act on the valve 6b, lift it, and make a free opening through the passage 3 and 30, now makes its next advance and opens the mouth of the tube 3. The air passes down through the tube 3, by the valve 6b, through the tube 30, actuates the piston 29 against the tension of spring 291, and pushes the block 2S over the top of the punch 25. This punch will now be IIO actuated by the plunger 22 and will be repeatedly actuated so long as the block 28- remainsin position over the head in the punch, and this will continue so long as the air passes freely through the perforations 7i in the paper P and through the tube 'lhe perforation made through the paper P will thereforecorrespond exactly in length to the perforation h through the paper P, provided,of course, that the punch used in' making the hole h was of the same size as that used for making the second sheet, and if the punch differed in size the holes will be of the same relative proportion.

There are anumber of punches and fillers or blocks, a pair for each note of the instrument for which the sheet is perforated. A finished sheet will be adapted to be used with the same instrument that the pattern-sheet can be used with.

lnasmuch as after the setting of the pattern-sheet over the tracker-board and the placing of the sheets to be perforated the action is entirely automatic and requires only a source of power to produce a constant rotation of the shaft and Wheel 17 and a constant pressure of airin vthe box A, the resulting sheets of music-paper can be made with great rapidity and with great uniformity. Moreover, the punched sheets may be quite numerous, depending somewhat on the thickness of a single sheet; but we have found it possible to produce fifty sheets at a single time, all corresponding exactly to the patternsheet.

The sheets are guided in their travel between side guides g, one of which is shown in Fig. 2, and they are arranged to be adjusted by screws 7c, that engage through slotted ears g'.

The cylinder d is provided with a Vent or escape for anyleakage through the vent-hole d and is provided with means for adjusting the piston c and the valve 6b by a pointed screw d2, that closes the end of the cylinder cl;

The pipe 30 is connected to the nozzle from the cylinder 62 by a iiexible connection 301, that permits the end of the pipe 30 to move sufficiently to comply with the requirements of motion incident to action of the plunger 22.

What we claim isl. In a machine for perforating paper, the combination of means `for advancing a pattern-sheet, means for advancing the' sheet to be perforated, means for reciprocating a punch-actuator, an air-pipe the mouth of which is arranged to be closed by the imperforate part of the pattern-sheet, and to be open on the passage of a hole over the pipe, an air-valve arranged to be actuated by air passing through said pipe, a punch in line with the punch-actuator, a block adapted to be interposed between the punch and the punch-actuator and means for actuating the block comprising an air-actuated piston, a cylinder containing said piston, an air-pipe leading thereinto from an opening through the tracker-board, a valve in said pipe, apiston to actuate the valve and a pipe leading thereto from the same opening through the tracker-board, substantially as described.

2. In a machine for perforatingsheets of paper, the combination of a punch in line with a reciprocating actuator therefor, an air-actuated block arranged to be projected between the punch and its actuator, a pair of air-conducting pipes arranged-to register with a single opening through the pattern-sheet, a piston actuated by air traveling through one of said pipes, and a valve actuated by air traveling through the other of said pipes, substantially as described.

3.- In a machine for perforating paper, the combination of an air-trunk, mechanism contained in said air-trunk for producing a stepby-step advance movement of a pattern-paper, a double outlet for air from said trunk arranged to be closed by the imperforate part of the pattern-sheet and to be opened by the registry of holes therein over the outlet-opening, a reciprocating punch-actuator, a punch in line therewith, a block arranged to be projected between the punch-actuator and the punch, a valve controlling the passage of air to the blockactuator,means whereby air passing through a perforation in the pattern-sheet divides and one part is utilized to set the valve and another part actuates the block to project the same, substantiallyV as described.

4. In a machine for perforating paper to correspond with apreviously-prepared paper pattern, the combination of contemporaneously-acting mechanism for advancing the pa- 5. In a machine for perforating paper for sheet-music, the combination of a tracker- ICO IIO

board provided with air-tubes, a valve actu ated by air passing thro ugh one of said tubes, Y

6. Ina machine for perforating sheet-music, the combination of a tracker-board arranged for the passage thereover of a patternsheet, air-passages in said tracker-board, a piston arranged to be actuatedby air passing through one of said tubes, and avalve in said tube arranged to 'be actuated by air'passing through the other of said tubes, substantiallyas described.

7. In a machine-for perforating sheet-musie, in combination with a punch, a punchto operate the selector, substantially as de- :o selector, a tracker-board, means for advanescribed. ing a perforated pattern sheet over the In testimony whereof We sign this specifitracker-board, apairof air-tubes opening into cation in the presence of two witnesses. 5 thetracker-board, a valve controlling the pas- ERNEST B. GREGOR.

sage through one of said tubes, means aetu- MAXIMILLIAN F. GREGOR. ated by air passing through the other or" said \Vitnesses: tubes to operate said valve, means actuated MAY E. KOTT, by air passing through the first of said tubes CHARLES F. BURTON. i 

